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    • 1. 发明授权
    • Manufacturing equipment for cushioning material
    • US5755082A
    • 1998-05-26
    • US784762
    • 1997-01-16
    • Jiro TakahashiYukio TaharaTsuyoshi MizutaniItsuku OhtawaAkira AoyamaNorikazu Yamagishi
    • Jiro TakahashiYukio TaharaTsuyoshi MizutaniItsuku OhtawaAkira AoyamaNorikazu Yamagishi
    • B29D22/00B31B21/26B31B21/74B31D5/00B65B9/20B65D81/07B65B31/00
    • B31D5/0073B29D22/00B31D5/0086B29L2031/714B31D2205/0023B31D2205/0058B31D2205/007
    • Equipment which automatically manufactures cushioning material by filling air inside polyvinyl alcohol laminated paper and sealing the filled material into individual bags. The manufacturing equipment 1 is provided with a material roll 20 on which a sheet material of polyvinyl alcohol laminated paper is wound. The sheet material 10 is rolled out by a feeding roller 40 from the material roll 20, and the sheet material 10 in a known length, adjusted by a length adjusting device 50 having a roller 42 which goes up and down, is supplied intermittently to a bag forming device 100 located downstream thereof. The bag forming device 100 is provided with a pipe member 105 and a sailor 110, which is a guide plate to reverse the sheet material 10 and form it into a tubular shape, and the sheet material 10 is fed along the pipe member 105 after being formed into a tubular shape. Feed rollers 130 and auxiliary belt 120 are arranged at the periphery of the pipe member 105. The feed rollers 130 catch the superposed sections of both edges of the sheet material formed into a tubular shape and feed the material, inserting the superposed section into a center sealer 150. The center sealer 150 is provided with a heater and welds together the superposed sections. As a result of this welding, the sheet material is formed into a long tube. The center sealed tubular sheet material is further sent downstream from the lower end of the pipe member 105. Air is supplied from the top of the pipe member 105, and the air is filled inside the tubular sheet material. In such condition, the sheet material is sent to the end sealer/cutter. The end sealer/cutter 160 is provided with a pair of end sealers facing each other which weld the tubular sheet material into a bag shape and cut the material into individual bags with a cutter 165. At this time, the air amount is adjusted by the filled air amount adjusting device 170. The air filled cushioning material 200 is sent to the next process by a conveyor 210.
    • 8. 发明授权
    • Actuator body structure for a piezoelectric ink ejecting printing
apparatus
    • 用于压电喷墨打印装置的致动器主体结构
    • US5818483A
    • 1998-10-06
    • US530423
    • 1995-09-19
    • Tsuyoshi Mizutani
    • Tsuyoshi Mizutani
    • B41J2/045B41J2/055B41J2/14B41J2/16
    • B41J2/14209B41J2002/14379B41J2002/14491B41J2202/18
    • An ink ejecting print head includes an actuator having a plurality of grooves, and a plurality of partition walls separating the grooves. One conductor layer is provided at the center of each partition wall. Other conductor layers connect to conductive thin films provided in each of the ink channels. A voltage is applied to a driving electrode which is electrically connected to conductive thin film provided in one ink channel. The driving electrodes connected to the conductive thin films in the other ink channels and to the conductor layers in the partition walls are grounded. At this time, an electric field occurs in an area of an ink-channel side of each partition wall defining the ink channel, and each adjacent side of the partition wall is deformed. Therefore, the volume of the ink channel is decreased to produce pressure, so that ink is ejected from a nozzle intercommunicating with the ink channel. At this time, no electric field occurs in an area of the partition wall which is at the opposite side to the ink-channel side, so that the other ink channels adjacent to the ink channel are not affected by the deformation of the ink channel.
    • 喷墨打印头包括具有多个凹槽的致动器和分隔凹槽的多个分隔壁。 一个导体层设置在每个分隔壁的中心。 其他导体层连接到设置在每个墨水通道中的导电薄膜。 电压施加到电连接到设置在一个墨通道中的导电薄膜的驱动电极。 连接到其它墨水通道中的导电薄膜和分隔壁中的导体层的驱动电极接地。 此时,在限定墨水通道的每个隔壁的墨通道侧的区域中发生电场,并且分隔壁的每个相邻侧变形。 因此,墨通道的体积减小以产生压力,使得墨从与墨通道相通的喷嘴喷出。 此时,在分隔壁的与油墨通道侧相反的一侧的区域中没有电场发生,使得与油墨通道相邻的其它油墨通道不受油墨通道变形的影响。